/Engine/Source/Editor/UnrealEd/Public/Kismet2/CompilerResultsLog.h
Links theUEdGraphNodewith the LogLine:
void AnnotateNode ( const [TArray](API\Runtime\Core\Containers\TArray)< [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * > & Nodes, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FTokenizedMessage](API\Runtime\Core\Logging\FTokenizedMessage) > LogLine )